Chemistry Reference Tools

Search periodic table elements, find atomic properties, and explore chemical data

Element Symbol, Name, or Atomic Number

⚛️Formula

Atomic Mass = Protons + Neutrons | Molar Mass = g/mol

💡How it works

The periodic table organizes elements by atomic number (number of protons). Atomic mass is the average mass of an element's isotopes. Molar mass represents the mass of one mole of a substance in grams.